Aberdeen Super Pond

The man-made super pond at the Army's test center at Aberdeen Proving Ground in Maryland is deep enough to hold a 14-story building. Two divers died in February 2013 during a training dive in the pond.

The man-made super pond at the Army's test center at Aberdeen Proving Ground in Maryland is deep enough to hold a 14-story building. Two divers died in February 2013 during a training dive in the pond. (Washington Post)

The man-made super pond at the Army's test center at Aberdeen Proving Ground in Maryland is deep enough to hold a 14-story building. Two divers died in February 2013 during a training dive in the pond.